31/01/2022

France limits visitors to save beloved Marseille beach

French authorities said Monday they would begin testing limited daily permits to visit one of the most pristine coves near the Mediterranean city of Marseille, where summer crowds have sharply increased erosion risks.

The risks of low-speed impacts with liquids

When a solid object hits a liquid, the impact produces shock waves: a process that has long occupied engineers due to its implications for design of hydraulic systems or motors. KAUST researchers now show that impacts at ...

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